You need to consider when choosing unsubscribe, the only alternative available in your Facebook profile is the disable account, something that makes sure that whatever is entirely gotten rid of, so it may be that the images, comments and private conversations are saved, although already not be accessible to them.
Can You Delete Your Facebook Account
If you wish to delete your single account you need to check out the following link and validate:
http://www.facebook.com/help/contact.php?show_form=delete_account
Note: When confirm not be able to recuperate your information and whatever to do with the Expense, currently not you can use features it e-mail, which provided low, you would have used a new account hotmail, gmail, and so on.
Erase request from sent by mistake
To delete a request erroneously sent to a person (e.g. request for relationship) in the top menu go to "Configuration", then "Privacy settings".
Then write the full name of the person in the field "Block person".
Then look it up and lock it. So not your relationship demand, will be considering that obstructing someone eliminates any link with it. If you desire this person to find you or have contact with her, you go back to the 'obstructed list' and eliminate it by pressing Erase (but currently not your application will appear to him because it was previously blocked).
This does not work for sent out messages, given that they are all kept in the Inbox of the individual.
Thus the article Can You Delete Your Facebook Account from us, hopefully useful thank you.